Keywords
adult, adults, alone, artificial light, blackboard, blackboards, body part, body parts, casual, casual wear, caucasian, claudia göpperl, cleaning, close-up, close-ups, color image, colour image, copy space, correcting, correction, corrections, daylight, education, erasing, european style, hand, hands, indoors, instructing, instructor, instructors, male, man, men, mistake, mistakes, one, people, person, photography, school, schools, sponge, sponges, teacher, teachers, teaching, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, 012806bl